είʔϓ let a = 1; if (a === 1) { let a = 2; console.log(a); // 2 } console.log(a); // 1 ϒϩοΫ var a = 1; if (a === 1) { var a = 2; console.log(a); // 2 } console.log(a); // 2 ؔ (άϩʔόϧ)
ΞϩʔϑΝϯΫγϣϯ const foo = (a, b) => { return a + b } ΞϩʔϑΝϯΫγϣϯͰ͕ࣜҰͭͷͱ͖ʹݶΓϒϩοΫΛলུ͔͚ͯ͠Δ const foo = (a, b) => a + b // ·ͨ const foo = (a, b) => ( a + b ) ϒϩοΫΛলུͨ͠߹ɼͦͷࣜΛ࣮ߦͨ݁͠Ռ͕ return ͞ΕΔ
DOM ͷআ // ཁૉ͕ෆ໌ɺෆఆͷ߹ͷํ๏ Const node = document.getElementById("nested"); if (node.parentNode) { node.parentNode.removeChild(node); } DOM ʹؔ͢Δ API https://qiita.com/uhyo/items/1c565b61d934cbb88c2e ͳͲ͕Θ͔Γ͍͢
ίʔεબ ϕʔγοΫίʔε νϟϨϯδίʔε TODOҰཡͱTODO࡞ ػೳ͕͢Ͱʹ࣮ࡁΈ طଘͷ࣮Λݟͳ͕Β TODO ͷআ TODO ͷߋ৽Λ࣮͍ͯ͘͠ HTML + CSS + API αʔόʔ͚ͩͷঢ়ଶ͔ΒϑϧεΫϥονͰ TODO ΞϓϦΛ࡞͢Δ ΞʔΩςΫνϟϨϕϧͷઃܭ͔ΒࣗͰͬͯΑ͍ (Flux ͡Όͳ͍͍ͯ͘) https://github.com/recruit-tech/bootcamp-2020-js
͢Ͱʹ࣮͞Ε͍ͯΔػೳ(basic) ϕʔγοΫίʔε νϟϨϯδίʔε TODOҰཡͱTODO࡞ ػೳ͕͢Ͱʹ࣮ࡁΈ طଘͷ࣮Λݟͳ͕Β TODO ͷআ TODO ͷߋ৽Λ࣮͍ͯ͘͠ HTML + CSS + API αʔόʔ͚ͩͷঢ়ଶ͔ΒϑϧεΫϥονͰ TODO ΞϓϦΛ࡞͢Δ ΞʔΩςΫνϟϨϕϧͷઃܭ͔ΒࣗͰͬͯΑ͍ (Flux ͡Όͳ͍͍ͯ͘) • TODO Ұཡͷऔಘ • TODO ͷ࡞ ͜Ε͔Β࡞Δػೳ • TODO আ • TODO ͷྃঢ়ଶͷߋ৽